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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_HOST_REMOTE_OPEN_URL_URL_FORWARDER_CONFIGURATOR_WIN_H_
#define REMOTING_HOST_REMOTE_OPEN_URL_URL_FORWARDER_CONFIGURATOR_WIN_H_
#include <stdint.h>
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/task/sequenced_task_runner.h"
#include "base/thread_annotations.h"
#include "base/timer/timer.h"
#include "remoting/host/remote_open_url/url_forwarder_configurator.h"
namespace remoting {
class WtsSessionChangeObserver;
// Windows implementation of UrlForwarderConfigurator.
// Note that this class requires elevated privileges.
class UrlForwarderConfiguratorWin final : public UrlForwarderConfigurator {
public:
UrlForwarderConfiguratorWin();
~UrlForwarderConfiguratorWin() override;
void IsUrlForwarderSetUp(IsUrlForwarderSetUpCallback callback) override;
void SetUpUrlForwarder(const SetUpUrlForwarderCallback& callback) override;
UrlForwarderConfiguratorWin(const UrlForwarderConfiguratorWin&) = delete;
UrlForwarderConfiguratorWin& operator=(const UrlForwarderConfiguratorWin&) =
delete;
private:
void OnSetUpResponse(bool success);
void OnReportUserInterventionRequired();
void OnWtsSessionChange(uint32_t event, uint32_t session_id);
SEQUENCE_CHECKER(sequence_checker_);
scoped_refptr<base::SequencedTaskRunner> io_task_runner_;
// For uncurtained sessions, Windows reuses the same console session before
// and after the user logs in. So we use these members to delay checking the
// URL forwarder state until the user is logged in. They are valid (non-null)
// only when the session is not logged in.
// For curtained sessions, Windows creates a new session whenever the user
// logs in, in which case the desktop process will be destroyed along with the
// URL configurator and the pending requests, and a new desktop process will
// be launched and IsUrlForwarderSetUp() will be called with a valid user
// context.
std::unique_ptr<WtsSessionChangeObserver> wts_session_change_observer_
GUARDED_BY_CONTEXT(sequence_checker_);
IsUrlForwarderSetUpCallback is_url_forwarder_set_up_callback_
GUARDED_BY_CONTEXT(sequence_checker_);
SetUpUrlForwarderCallback set_up_url_forwarder_callback_
GUARDED_BY_CONTEXT(sequence_checker_);
base::OneShotTimer report_user_intervention_required_timer_
GUARDED_BY_CONTEXT(sequence_checker_);
base::WeakPtrFactory<UrlForwarderConfiguratorWin> weak_factory_{this};
};
} // namespace remoting
#endif // REMOTING_HOST_REMOTE_OPEN_URL_URL_FORWARDER_CONFIGURATOR_WIN_H_
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